TESCOM™ Anderson Greenwood Instrumentation Model M25/M251 Differential Pressure Manifolds

Compact design minimizes space requirements; low weight improves connection strength and reduces gauge whip.;Minimal instrument installation components reduce costs and decrease possible leak points.;Easy instrument check calibration using ¼" FNPT vent/test port.;Ball end stem eliminates seat galling, provides bubble-tight shutoff and long life. Hardened, non-rotating ball ensures perfect alignment closure.;Packing below threads prevents lubricant washout, thread corrosion, process contamination and eliminates galling.;Easily adjustable packing decreases replacement downtime and increases valve life.;Safety back seating prevents stem blowout or accidental removal and provides a metal-to-metal secondary stem seal while in the fully open position.;Dust cover prevents lubricant washout and protects bonnet assembly from contaminants.;ENC plated 316 SS prevents galling or freezing of stem threads.;Rolled stem, bonnet and male NPT threads provide additional strength.;Mirror stem finish in the packing area enables smooth operation and extends packing life.;Metal-to-metal body-to-bonnet seal in constant compression prevents bonnet thread corrosion, eliminates possible tensile breakage and gives a reliable seal point.